| Characteristic | Share of respondents |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Sources
Release date
November 2015
More information
Region
United States
Survey time period
as of November 2015
Special properties
among publishers and authors
Supplementary notes
The source does not provide information on the methodology (type of study, number of respondents, date of survey - the date provided is the release date).
Citation formats
